Silent Steel USA Streamer 5.56 Suppressor, HUB Mount, Armor Black

The Silent Steel USA Streamer (brand part no. STR-556-BLK-HUB-1_3/8X) is a 5.56 suppressor built by Raider Defense with a HUB-pattern quick-attach mount on a 1.375×24 thread interface, finished in Armor Black. Silent Steel USA built the Streamer line for shooters who want the modularity of a HUB-based mount system on a full-length 5.56 can.

Key Specifications

• Rated for 5.56 rifle cartridges.
• Mounts via a HUB-pattern quick-attach interface on a 1.375×24 thread.
• Finished in Armor Black for a durable, low-visibility look.
• Manufactured by Silent Steel USA as part of their Raider Defense Streamer model line.
• Built as the full-length option within the Streamer lineup, ahead of the Compact and Micro variants.

Frequently Asked Questions

Is this an NFA item? Yes. As a suppressor, it’s a Title II firearm requiring an approved ATF Form 4 and transfer through an NFA-licensed dealer.

How does this suppressor mount to a rifle? It uses a HUB-pattern quick-attach mount built on a 1.375×24 thread interface.

Buy the Silent Steel USA Streamer 5.56 Suppressor, HUB Mount, Armor Black

A HUB-pattern mount gives this Streamer flexibility to run with the broader ecosystem of HUB-compatible adapters. This is a Title II item regulated under the National Firearms Act. Purchase requires an approved ATF Form 4, no federal transfer tax, and transfer through a licensed NFA (SOT/Class 3) dealer, with an extended federal approval wait before delivery. Order through Silent Steel USA‘s suppressed firearms lineup and our Lubbock, Texas team will walk you through the transfer process.